169262.fig.005a
(a)
169262.fig.005b
(b)
169262.fig.005c
(c)
Figure 5: A schematic representation of the reactivity of functionalized CNTs with cement hydration products: (a) CCF-free FWCNTs; (b) CCFs/FWCNTs; (c) surfactant-dispersed FWCNTs.